30系列：中/重型焊接支架轮组

本系列产品主要适用于拖板车，仓库笼，机械设备，物流设备，食品工业设备，酒店/家用推车，广泛应用于工商业中/重型移动设备上。

双珠盘结构，珠槽热处理，配有注油嘴增加了珠盘的适用寿命，支架表面镀锌或黑色烤漆处理，15.8mm中心铆钉，底板及支架6mm厚，12.7mm直径螺杆配防松螺帽，19mm热处理滚针轴承，内配符油孔、油槽，热处理套管，多种材质单轮供用户选择。

主要特点：

1.单轮直径：4寸, 5寸，6寸，8寸

2.单轮宽：2寸

3.单轮可选材质：a.PU包铸铁轮，b.PU包铝芯轮，c.橡胶包铸铁轮，d.电木轮，e.PP塑料轮，f.PU包塑芯轮，g.TPR包塑芯轮，h.铸铁轮，i.球墨铸铁轮，j.V型槽铸铁轮，k.V型槽球墨铸铁轮

4.可配轴承：a.滚针轴承，b.滚珠轴承

5.安装方式：a.底板型，

6.刹车方式：a.边刹，b.轴刹，c.全刹，d.方向刹

30 SERIES (Medium/Heavy Duty Welded Casters)

This series caster is wildly used on medium or heavy duty handle carts, food service operations, stocking carts, move tools cart, office equipment, institutional equipment.

Double ball bearing raceway heat treated for long wear and added strength, zinc plating standard, 5/8in bolted kingpin, top plate and yoke 6mm cold forged steel, 1/2in diameter axle with lock nut, 3/4in roller bearings with hardened outer raceway, hardened spanner bushing with hole and grease groove, grease fitting in swivel raceway, wide selection of wheel types.

Character:

wheel diameter(in): 4, 5, 6, 8

wheel width(in): 2

Wheel material option: PU on cast iron, PU on Aluminum core, PU on PP core, TPR on PP core, RUBBER on cast iron core, Rubber on Aluminum core, Phenolic wheel, Cast iron wheel, V-groove wheel, Ductile wheel, V-Groove Ductile wheel,

Bearing option: 1. Roller Bearing, 2. Ball bearing

Fitting option: 1. top plate

BRAKE TYPE: 1. cam brake, 2. side brake, 3. total brake, 4. Directional brake